<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./promise.js"></script>
</head>
<body>
    <script>
        let p = new Promise((resolve, reject) => {
            // setTimeout(() => {
                resolve('ok')
            // reject('error')
            // }, 1000)
            // 抛出异常
            // throw "error"
        })
        const res = p.then(value => {
            console.log(value);
            // return new Promise((resolve, reject) => {
            //     resolve("success")
            // })
        }, reason => {
            console.warn(reason);
        })
        console.log(res);
        // console.log(p);
        // p.then(value => {
        //     alert(value)
        // }, reason => {
        //     alert(reason)
        // })

    </script>
</body>
</html>